{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Subject.Age", "Treatment", "Combination.Drug", "Subject.Gender", "Subject.Population", "Treatment.Drug", "Subject", "Treatment.Dosage", "Subject.Race", "Treatment.Disorder", "Treatment.Freq", "Effect", "Subject.Disorder"]}], "input": "We report the case of a 20-year-old woman originally from Cameroon who was infected by the L. loa parasite and developed severe hepatitis, identified 1 month after a single dose of ivermectin."}
{"adverse event": [{"Subject.Age": "20-year-old", "Treatment": "1 month after a single dose of ivermectin", "Combination.Drug": "NAN", "Subject.Gender": "woman", "Subject.Population": "NAN", "Treatment.Drug": "ivermectin", "Subject": "20-year-old woman originally from Cameroon who was infected by the L. loa parasite", "Treatment.Dosage": "single dose", "Subject.Race": "Cameroon", "Treatment.Disorder": "infected by the L. loa parasite", "Treatment.Freq": "NAN", "Effect": "severe hepatitis", "Subject.Disorder": "NAN"}]}